<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>boots网格布局</title>
    <link href="js/bootstrap-3.3.7-dist/css/bootstrap-theme.min.css" rel="stylesheet">
    <link href="js/bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet">
    <script src="js/jquery-1.12.4/jquery-1.12.4.min.js"></script>
    <script src="js/jquery-1.12.4/jquery-1.12.4.js"></script>
<!--    格式边框设计-->
    <style>
        .row>div{
            width: 100px;
            border: 3px dotted #28a4c9;
        }
    </style>
</head>
<body>
<div class="container" id="c1">
    <div class="row" id="r1">
        <div class="col-md-1" id="col1"><h1>col1</h1></div>
        <div class="col-md-2" id="col2"><h1>col2</h1></div>
        <div class="col-md-3" id="col3"><h1>col3</h1></div>
    </div>
</div>
</body>
</html>